Home / 11,323.84-15,628.80-6,608.12

Finding the Fourth Proportional to 11,323.84, 15,628.80 and 6,608.12

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Solution

The fourth proportional to 11,323.84, 15,628.80 and 6,608.12 is: 9,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.84 : 15,628.80 = 6,608.12 : x
  2. Step 2: Convert to fraction form
    11,323.84/15,628.80 = 6,608.12/x
  3. Step 3: Cross multiply
    11,323.84x = 15,628.80 × 6,608.12
  4. Step 4: Simplify right side
    11,323.84x = 103,276,985.86
  5. Step 5: Solve for x
    x = 103,276,985.86/11,323.84
  6. Step 6: Final answer
    x = 9,120.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.